Origin
Italy
USA
Color
Blue, Green
Colorless, White, Yellow
Streak
Blue, Green
White
For which Rashi?
-
-
Planet
-
-
Element of Planets
-
-
Energy
-
-
How to Wear?
Finger
-
-
Ring Metal
-
-
Deities
-
-
Not to wear with
-
-
Powers
-
-
Birthstone
Planetary
-
-
Talisman
-
-
Tenacity
Brittle
Brittle
Solubility
Effervesces in cold
-
Durability
-
-
Specific Gravity
4-4.22.79-2.87
1
7.18
👆🏻
Fracture
Splintery
Conchoidal
Cleavage
Perfect on {100} and {010}
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Mohs Hardness
45.5-6
2
10
👆🏻
Chemical Composition
CuZn(CO3)(OH)2
NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Luster
Silky, Vitreous
Vitreous, Adamantine, Pearly
Pleochroism
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
-
Dispersion
0.030.01
0.005
1
👆🏻
Transparency
-
-
Refractive Index
1.672-1.6881.552-1.562
1
3.25
👆🏻
Optic Character
-
-
Crystal System
monoclinic
monoclinic
Birefringence
0.139-0.1430.009
0
0.296
👆🏻
Clarity
-
TransparentUlrich Henn and Claudio C. Milisenda
Physical
Neurological
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-
Cardiovascular
-
-
Respiratory
Poor
Excellent
Reproductive
-
-
Digestive
-
-
Psychology
Emotional Healing
Creativity
Healing
Emotional healing
Emotional healing
Qualities Associated
Communication
Harmony